A method is disclosed for managing power in a hybrid electric vehicle powertrain having multiple components, including an engine, a motor, a generator and a high voltage battery. Power losses in the individual components are computed. An engine speed corresponding to a minimum value for the power losses...http://www.google.fr/patents/US7398147?utm_source=gb-gplus-shareBrevet US7398147 - Optimal engine operating power management strategy for a hybrid electric vehicle powertrain
Optimal engine operating power management strategy for a hybrid electric ...